/* ProvaDent — eng-provadent.us */
:root {
  --primary: #2D2C80;
  --primary-dark: #1D1C5A;
  --primary-soft: #EEEEFA;
  --sky: #4BA3DD;
  --sky-soft: #E6F3FC;
  --accent: #FFD23F;
  --accent-dark: #F2B705;
  --ink: #17173A;
  --text: #34345A;
  --muted: #5F5F82;
  --line: #DCDDF0;
  --bg: #FFFFFF;
  --bg-soft: #F6F7FD;
  --green: #17955A;
  --red: #C8283A;
  --radius: 22px;
  --radius-sm: 14px;
  --shadow: 0 18px 50px -20px rgba(45, 44, 128, .35);
  --shadow-sm: 0 6px 22px -10px rgba(45, 44, 128, .3);
  --container: 1280px;
  --font: "Jost", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 96px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 20px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); }
a:hover { color: var(--sky); }
h1, h2, h3, h4 { font-family: var(--font); color: var(--ink); line-height: 1.2; margin: 0 0 .5em; font-weight: 700; letter-spacing: -.01em; }
h1 { font-size: clamp(34px, 4.4vw, 58px); font-weight: 800; }
h2 { font-size: clamp(30px, 3.4vw, 46px); font-weight: 800; }
h3 { font-size: clamp(22px, 1.9vw, 26px); }
p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }
strong { color: var(--ink); }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 32px; }
.narrow { max-width: 980px; }
.section { padding: 100px 0; }
.section-soft { background: var(--bg-soft); }
.section-head { text-align: center; max-width: 900px; margin: 0 auto 56px; }
.section-head p { color: var(--muted); }
.eyebrow {
  display: inline-block;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--sky);
  background: var(--sky-soft);
  padding: 6px 16px;
  border-radius: 99px;
  margin-bottom: 18px;
}
.eyebrow.light { color: var(--accent); background: rgba(255, 255, 255, .1); }
.text-accent { color: var(--sky); }

.skip-link { position: absolute; left: -9999px; top: 8px; z-index: 999; background: var(--primary); color: #fff; padding: 10px 18px; border-radius: 8px; }
.skip-link:focus { left: 12px; }
:focus-visible { outline: 3px solid var(--sky); outline-offset: 3px; }

/* Buttons */
.button {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font-family: var(--font); font-weight: 700; font-size: 20px; line-height: 1.2;
  text-decoration: none; text-align: center;
  padding: 18px 34px; border-radius: 99px; border: 0; cursor: pointer;
  background: var(--accent); color: var(--primary-dark);
  box-shadow: 0 10px 24px -10px rgba(242, 183, 5, .9);
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.button:hover { color: var(--primary-dark); background: #FFDC5E; transform: translateY(-2px); box-shadow: 0 16px 30px -12px rgba(242, 183, 5, .95); }
.button-primary { background: var(--primary); color: #fff; box-shadow: 0 10px 24px -10px rgba(45, 44, 128, .8); }
.button-primary:hover { background: var(--primary-dark); color: #fff; box-shadow: 0 16px 30px -12px rgba(45, 44, 128, .9); }
.button-lg { font-size: 22px; padding: 22px 44px; }
.button-small { font-size: 17px; padding: 11px 22px; }
.button-block { width: 100%; }
.button svg { width: 22px; height: 22px; flex: none; }

/* Top bar + header */
.topbar { background: var(--primary-dark); color: #fff; font-size: 16px; text-align: center; padding: 9px 16px; line-height: 1.4; }
.topbar strong { color: var(--accent); }
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(255, 255, 255, .96); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.nav-wrap { display: flex; align-items: center; justify-content: space-between; min-height: 78px; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-size: 28px; font-weight: 700; color: var(--primary); letter-spacing: -.02em; }
.brand strong { color: var(--sky); font-weight: 800; }
.brand sup { font-size: 13px; color: var(--muted); }
.main-nav { display: flex; align-items: center; gap: 30px; }
.main-nav a { text-decoration: none; color: var(--ink); font-weight: 500; font-size: 18px; }
.main-nav a:hover { color: var(--sky); }
.main-nav a.button { color: var(--primary-dark); }
.nav-toggle { display: none; background: none; border: 0; padding: 10px; cursor: pointer; }
.nav-toggle span { display: block; width: 26px; height: 3px; background: var(--primary); margin: 5px 0; border-radius: 2px; transition: .25s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* Hero */
.hero {
  position: relative; overflow: hidden; color: #DCDCF5;
  background:
    radial-gradient(900px 500px at 85% 30%, rgba(75, 163, 221, .35), transparent 60%),
    radial-gradient(700px 500px at 0% 100%, rgba(255, 210, 63, .12), transparent 60%),
    linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  padding: 80px 0 90px;
}
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 56px; align-items: center; }
.hero h1 { color: #fff; margin-bottom: 22px; }
.hero h1 span { color: var(--accent); }
.hero-lead { font-size: 22px; color: #E4E4F8; margin-bottom: 26px; }
.check-list { list-style: none; margin: 0 0 30px; padding: 0; display: grid; gap: 12px; }
.check-list li { position: relative; padding-left: 42px; font-weight: 500; }
.check-list li::before {
  content: ""; position: absolute; left: 0; top: 4px; width: 28px; height: 28px; border-radius: 50%;
  background: var(--accent) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231D1C5A' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12.5l4.5 4.5L19 7.5'/%3E%3C/svg%3E") center / 16px no-repeat;
}
.hero .check-list li { color: #fff; }
.offer-box { background: rgba(255, 255, 255, .08); border: 1px solid rgba(255, 255, 255, .18); border-radius: var(--radius); padding: 24px 26px; margin-bottom: 28px; }
.offer-box .offer-top { font-size: 18px; color: var(--accent); font-weight: 600; margin-bottom: 4px; }
.offer-box .offer-price { font-size: 26px; color: #fff; font-weight: 600; margin: 0; }
.offer-box .offer-price strong { color: var(--accent); font-size: 40px; font-weight: 800; }
.hero-cta { display: flex; flex-wrap: wrap; align-items: center; gap: 18px 24px; }
.hero-cta small { font-size: 16px; color: #C8C8EC; display: flex; align-items: center; gap: 8px; }
.hero-media { position: relative; display: flex; justify-content: center; }
.hero-media::before { content: ""; position: absolute; inset: 8% 6%; border-radius: 50%; background: radial-gradient(circle, rgba(255, 255, 255, .28), rgba(255, 255, 255, 0) 68%); }
.hero-media img { position: relative; width: min(100%, 470px); filter: drop-shadow(0 30px 40px rgba(0, 0, 0, .35)); animation: float 6s ease-in-out infinite; }
.hero-badges { margin-top: 34px; background: #fff; border-radius: var(--radius-sm); padding: 12px 18px; display: inline-block; }
.hero-badges img { width: 440px; max-width: 100%; }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }

/* Trust cards */
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
.trust-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 26px; text-align: center; box-shadow: var(--shadow-sm); transition: transform .25s, box-shadow .25s; }
.trust-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.trust-card img { height: 120px; width: auto; margin: 0 auto 14px; object-fit: contain; }
.trust-card h3 { color: var(--primary); }
.trust-card p { color: var(--muted); }

/* Split / content blocks */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.split-media { position: relative; }
.split-media img { border-radius: var(--radius); }
.media-card { background: linear-gradient(160deg, var(--primary-soft), var(--sky-soft)); border-radius: 30px; padding: 40px; }
.media-card img { margin: 0 auto; }
.content p { color: var(--text); }
.content h2 { margin-bottom: 24px; }
.stack-top { margin-top: 48px; }

.note {
  background: var(--sky-soft); border-left: 5px solid var(--sky); border-radius: var(--radius-sm);
  padding: 22px 26px; color: var(--ink); margin-top: 32px;
}
.note-warn { background: #FFF6D6; border-left-color: var(--accent-dark); }

/* Mini feature tiles */
.tile-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; margin-top: 48px; }
.tile { background: #fff; border-radius: var(--radius-sm); padding: 26px 22px; border: 1px solid var(--line); }
.tile .tile-icon { width: 52px; height: 52px; border-radius: 14px; background: var(--primary); color: #fff; display: grid; place-items: center; margin-bottom: 14px; }
.tile .tile-icon svg { width: 28px; height: 28px; }
.tile h3 { font-size: 22px; margin-bottom: 8px; }
.tile p { color: var(--muted); }

/* Reviews */
.rating-bar { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 10px 18px; margin-top: 18px; }
.stars { color: #F5B301; font-size: 28px; letter-spacing: 3px; line-height: 1; }
.rating-bar strong { font-size: 26px; }
.rating-bar span { color: var(--muted); }
.review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.review-card { background: #fff; border-radius: var(--radius); padding: 34px 30px; box-shadow: var(--shadow-sm); border: 1px solid var(--line); display: flex; flex-direction: column; }
.review-head { display: flex; align-items: center; gap: 16px; margin-bottom: 18px; }
.review-head img { width: 76px; height: 76px; border-radius: 50%; object-fit: cover; border: 3px solid var(--primary-soft); }
.review-head .who { font-weight: 700; color: var(--ink); line-height: 1.3; }
.review-head .where { font-size: 16px; color: var(--muted); }
.verified { display: inline-flex; align-items: center; gap: 6px; font-size: 15px; color: var(--green); font-weight: 600; }
.review-card h3 { font-size: 23px; margin-bottom: 10px; color: var(--primary); }
.review-card blockquote { margin: 0; color: var(--text); font-style: italic; flex: 1; }
.review-card .stars { font-size: 22px; margin-bottom: 12px; }
.collage { margin-top: 56px; display: grid; grid-template-columns: .9fr 1.1fr; gap: 48px; align-items: center; background: #fff; border-radius: 30px; padding: 40px; box-shadow: var(--shadow-sm); }
.collage img { border-radius: var(--radius); }
.disclaimer-line { font-size: 16px; color: var(--muted); text-align: center; margin-top: 28px; }

/* Pricing */
.pricing { background: linear-gradient(180deg, var(--primary-soft), #fff); }
.price-grid { display: grid; grid-template-columns: 1fr 1.08fr 1fr; gap: 28px; align-items: center; }
.price-card {
  position: relative; background: #fff; border: 2px solid var(--line); border-radius: 28px; padding: 34px 28px 30px;
  text-align: center; box-shadow: var(--shadow-sm); display: flex; flex-direction: column; align-items: center;
}
.price-card.featured { border-color: var(--primary); box-shadow: var(--shadow); padding-top: 64px; background: linear-gradient(180deg, #E9F4FC, #fff 40%); }
.ribbon { position: absolute; top: 0; left: 0; right: 0; background: var(--accent); color: var(--primary-dark); font-weight: 800; letter-spacing: .08em; padding: 10px; border-radius: 26px 26px 0 0; font-size: 18px; }
.price-card h3 { font-size: 36px; font-weight: 800; color: var(--primary); margin-bottom: 0; }
.price-card .supply { font-size: 18px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.price-card .pack { height: 230px; width: auto; object-fit: contain; margin: 18px auto; }
.price-card.featured .pack { height: 250px; }
.price { display: flex; align-items: flex-start; justify-content: center; gap: 6px; color: var(--primary); line-height: 1; margin: 6px 0 8px; }
.price .cur { font-size: 34px; font-weight: 700; margin-top: 10px; }
.price .amt { font-size: 92px; font-weight: 800; letter-spacing: -.04em; }
.price .per { font-size: 18px; font-weight: 700; text-align: left; margin-top: 18px; line-height: 1.15; text-transform: uppercase; }
.price-card .total { font-size: 22px; color: var(--sky); font-weight: 700; margin-bottom: 14px; }
.price-card .total s { color: var(--muted); font-weight: 500; margin-right: 6px; }
.ship { display: inline-flex; align-items: center; gap: 8px; font-weight: 700; font-size: 17px; border-radius: 10px; padding: 8px 16px; margin-bottom: 18px; }
.ship.free { background: #FFF2C2; color: var(--primary-dark); }
.ship.paid { background: var(--bg-soft); color: var(--muted); }
.price-card .button { margin-top: auto; }
.secure-line { margin-top: 14px; font-size: 16px; color: var(--muted); display: flex; align-items: center; gap: 8px; justify-content: center; }
.secure-line svg { width: 18px; height: 18px; color: var(--green); }
.card-icons { display: flex; gap: 8px; justify-content: center; margin-top: 10px; }
.card-icons span { font-size: 13px; font-weight: 800; letter-spacing: .04em; border: 1px solid var(--line); border-radius: 6px; padding: 3px 8px; color: var(--primary); background: #fff; }
.stock-warning { margin: 44px auto 0; max-width: 980px; text-align: center; background: #FFF0F1; border: 1px dashed var(--red); color: var(--red); border-radius: var(--radius-sm); padding: 18px 24px; font-weight: 600; }

/* Ingredients */
.ingredient { display: grid; grid-template-columns: 380px 1fr; gap: 56px; align-items: center; padding: 44px; background: #fff; border-radius: 30px; box-shadow: var(--shadow-sm); border: 1px solid var(--line); }
.ingredient + .ingredient { margin-top: 32px; }
.ingredient:nth-child(even) { grid-template-columns: 1fr 380px; }
.ingredient:nth-child(even) .ingredient-media { order: 2; }
.ingredient-media img { width: 100%; aspect-ratio: 316 / 279; object-fit: cover; border-radius: var(--radius); }
.ingredient .tag { display: inline-block; font-size: 15px; font-weight: 700; color: var(--sky); text-transform: uppercase; letter-spacing: .12em; margin-bottom: 8px; }
.ingredient h3 { font-size: clamp(26px, 2.4vw, 34px); color: var(--primary); }

/* Numbered cards */
.num-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; }
.num-grid.three { grid-template-columns: repeat(3, 1fr); }
.num-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 32px 30px; position: relative; transition: transform .25s, box-shadow .25s, border-color .25s; }
.num-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: transparent; }
.num-card .num { width: 54px; height: 54px; border-radius: 16px; display: grid; place-items: center; background: var(--primary); color: #fff; font-weight: 800; font-size: 22px; margin-bottom: 16px; }
.num-card h3 { font-size: 24px; }
.num-card p { color: var(--muted); }
.section-soft .num-card { background: #fff; }

.callout { margin-top: 48px; background: linear-gradient(135deg, var(--primary), var(--primary-dark)); color: #E4E4F8; border-radius: 30px; padding: 48px; display: grid; grid-template-columns: auto 1fr; gap: 36px; align-items: center; }
.callout h3 { color: #fff; font-size: clamp(26px, 2.4vw, 32px); }
.callout .callout-icon { width: 92px; height: 92px; border-radius: 26px; background: var(--accent); color: var(--primary-dark); display: grid; place-items: center; }
.callout .callout-icon svg { width: 50px; height: 50px; }

.info-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; margin-top: 40px; }
.info-box { background: var(--primary-soft); border-radius: var(--radius); padding: 34px; }
.info-box h3 { color: var(--primary); }

/* Steps */
.steps { list-style: none; padding: 0; margin: 0; counter-reset: step; display: grid; gap: 20px; }
.steps li { counter-increment: step; display: grid; grid-template-columns: 72px 1fr; gap: 24px; align-items: start; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 30px; }
.steps li::before { content: counter(step, decimal-leading-zero); width: 72px; height: 72px; border-radius: 50%; background: var(--accent); color: var(--primary-dark); font-weight: 800; font-size: 26px; display: grid; place-items: center; }
.steps h3 { font-size: 24px; margin-bottom: 6px; }
.steps p { color: var(--muted); }

/* Guarantee */
.guarantee { display: grid; grid-template-columns: 340px 1fr; gap: 60px; align-items: center; background: #fff; border-radius: 34px; padding: 56px; box-shadow: var(--shadow); border: 1px solid var(--line); }
.guarantee img { width: 100%; max-width: 320px; margin: 0 auto; }
.guarantee h3 { font-size: clamp(26px, 2.6vw, 36px); color: var(--primary); }

/* FAQ */
.faq-list { display: grid; gap: 16px; }
.faq-list details { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm); transition: box-shadow .25s, border-color .25s; }
.faq-list details[open] { border-color: var(--primary); box-shadow: var(--shadow-sm); }
.faq-list summary { list-style: none; cursor: pointer; padding: 24px 66px 24px 28px; font-weight: 600; font-size: 21px; color: var(--ink); position: relative; line-height: 1.4; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; position: absolute; right: 22px; top: 50%; transform: translateY(-50%); width: 34px; height: 34px; border-radius: 50%; background: var(--primary-soft); color: var(--primary); display: grid; place-items: center; font-size: 26px; font-weight: 500; line-height: 1; transition: .25s; }
.faq-list details[open] summary::after { content: "–"; background: var(--primary); color: #fff; }
.faq-list .faq-body { padding: 0 28px 26px; color: var(--text); }

/* Checkout info */
.info-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; margin-top: 40px; }
.info-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 32px; }
.info-card h3 { display: flex; align-items: center; gap: 12px; color: var(--primary); }
.info-card h3 svg { width: 30px; height: 30px; flex: none; color: var(--sky); }
.checkout-shot { border-radius: var(--radius); box-shadow: var(--shadow); border: 1px solid var(--line); max-height: 640px; width: auto; margin: 0 auto; }

/* Final CTA */
.final-cta { background: radial-gradient(800px 400px at 80% 20%, rgba(75, 163, 221, .35), transparent 60%), linear-gradient(135deg, var(--primary), var(--primary-dark)); color: #E4E4F8; }
.final-cta h2 { color: #fff; }
.final-cta .old-price { font-size: 24px; margin-bottom: 4px; }
.final-cta .old-price s { color: #ffb3bb; }
.final-cta .new-price { font-size: 30px; color: #fff; font-weight: 600; margin-bottom: 26px; }
.final-cta .new-price strong { color: var(--accent); font-size: 52px; font-weight: 800; }
.final-cta .media-card { background: rgba(255, 255, 255, .08); }

/* Footer */
.site-footer { background: #121238; color: #B9B9DA; padding: 72px 0 0; }
.site-footer h2 { color: #fff; font-size: 24px; margin-bottom: 14px; }
.footer-grid { display: grid; grid-template-columns: 1fr 2fr; gap: 56px; }
.site-footer .brand { color: #fff; margin-bottom: 14px; }
.site-footer p { font-size: 20px; color: #B9B9DA; }
.footer-legal p { margin-bottom: 1.1em; }
.footer-legal strong { color: #fff; }
.footer-nav { display: flex; flex-direction: column; gap: 8px; margin-top: 16px; }
.footer-nav a { color: #DADAF4; text-decoration: none; font-size: 18px; }
.footer-nav a:hover { color: var(--accent); }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, .1); margin-top: 48px; padding: 24px 0; font-size: 16px; }
.footer-bottom .container { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; }
.footer-links { display: flex; gap: 22px; flex-wrap: wrap; }
.footer-links a { color: #DADAF4; text-decoration: none; }
.footer-links a:hover { color: var(--accent); }

/* Mobile sticky order bar */
.sticky-cta { position: fixed; left: 0; right: 0; bottom: 0; z-index: 60; background: #fff; border-top: 1px solid var(--line); box-shadow: 0 -10px 30px -12px rgba(45, 44, 128, .35); padding: 10px 16px; display: none; align-items: center; justify-content: space-between; gap: 12px; transform: translateY(110%); transition: transform .3s ease; }
.sticky-cta.show { transform: translateY(0); }
.sticky-cta { padding: 8px 16px; }
.sticky-cta .sc-text { font-size: 14px; line-height: 1.35; color: var(--ink); min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sticky-cta .sc-text strong { color: var(--primary); font-size: 24px; font-weight: 800; line-height: 1.15; display: block; overflow: hidden; text-overflow: ellipsis; }
.sticky-cta { gap: 10px; }
.sticky-cta .button { flex: none; font-size: 18px; padding: 13px 22px; white-space: nowrap; }
@media (max-width: 380px) {
  .sticky-cta { padding: 8px 12px; gap: 8px; }
  .sticky-cta .sc-text { font-size: 13px; }
  .sticky-cta .button { font-size: 17px; padding: 12px 22px; }
}

/* Legal pages */
.legal-hero { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); color: #DCDCF5; padding: 72px 0 60px; }
.legal-hero h1 { color: #fff; }
.legal-content { max-width: 980px; margin: 0 auto; padding: 64px 32px 90px; }
.legal-content h2 { font-size: clamp(26px, 2.6vw, 32px); margin-top: 1.6em; }
.legal-content ul { padding-left: 1.2em; }
.legal-content li { margin-bottom: .5em; }

/* Reveal animation */
.js .reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s ease, transform .7s ease; }
.js .reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
  .hero-media img { animation: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .main-nav { gap: 20px; }
  .trust-grid, .tile-grid { grid-template-columns: repeat(2, 1fr); }
  .price-grid { grid-template-columns: 1fr 1fr; }
  .price-card.featured { grid-column: 1 / -1; order: -1; max-width: 560px; width: 100%; margin: 0 auto; }
  .num-grid.three { grid-template-columns: repeat(2, 1fr); }
  .ingredient, .ingredient:nth-child(even) { grid-template-columns: 300px 1fr; gap: 40px; }
  .ingredient:nth-child(even) .ingredient-media { order: 0; }
}

@media (max-width: 920px) {
  .nav-toggle { display: block; }
  .main-nav {
    position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0;
    background: #fff; border-bottom: 1px solid var(--line); box-shadow: 0 20px 30px -20px rgba(0, 0, 0, .25);
    padding: 8px 20px 20px; display: none;
  }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 14px 4px; border-bottom: 1px solid var(--line); font-size: 18px; }
  .main-nav a.button { margin-top: 14px; border-bottom: 0; }
  .hero-grid, .split, .collage, .guarantee, .footer-grid, .info-pair { grid-template-columns: 1fr; }
  .hero { padding: 48px 0 64px; text-align: left; }
  .hero-media { order: -1; }
  .hero-media img { width: min(78%, 340px); }
  .split { gap: 40px; }
  .split .split-media { order: -1; }
  .guarantee { text-align: center; padding: 40px 28px; gap: 28px; }
  .guarantee img { max-width: 220px; }
  .callout { grid-template-columns: 1fr; padding: 36px 28px; gap: 20px; }
  .sticky-cta { display: flex; }
  body.has-sticky { padding-bottom: 64px; }
}

@media (max-width: 768px) {
  body { font-size: 17px; line-height: 1.65; }
  .container { padding: 0 16px; }
  .section { padding: 64px 0; }
  .section-head { margin-bottom: 36px; }
  .hero-lead { font-size: 18px; }
  .button { font-size: 18px; padding: 16px 26px; }
  .button-lg { font-size: 19px; padding: 18px 28px; width: 100%; }
  .hero-cta { flex-direction: column; align-items: stretch; }
  .hero-cta small { justify-content: center; }
  .hero-badges { display: block; text-align: center; }
  .hero-badges img { margin: 0 auto; }
  .offer-box .offer-price strong { font-size: 34px; }
  .trust-grid, .tile-grid, .review-grid, .num-grid, .num-grid.three, .info-cards { grid-template-columns: 1fr; }
  .trust-card img { height: 100px; }
  .price-grid { grid-template-columns: 1fr; }
  .price-card.featured { max-width: none; }
  .price .amt { font-size: 80px; }
  .ingredient, .ingredient:nth-child(even) { grid-template-columns: 1fr; gap: 24px; padding: 24px; }
  .collage { padding: 22px; gap: 26px; }
  .media-card { padding: 24px; }
  .steps li { grid-template-columns: 1fr; gap: 14px; padding: 24px 22px; }
  .steps li::before { width: 56px; height: 56px; font-size: 21px; }
  .faq-list summary { font-size: 18px; padding: 20px 60px 20px 20px; }
  .faq-list .faq-body { padding: 0 20px 22px; }
  .final-cta .new-price strong { font-size: 42px; }
  .site-footer p { font-size: 16px; }
  .topbar { font-size: 14px; }
  .brand { font-size: 25px; }
  .legal-content { padding: 44px 16px 70px; }
  .eyebrow { font-size: 13px; }
}